If you get Ad-Aware, also get Reghance. It's another lavasoft shareware prog that you can configure Ad-Aware to use, that really increases its registry scanning power.
Also, if you get the goddamned annoying double click cookie popping up all the time, go to double click's homepage and click to opt out of it. Then it will no longer send user specific info in the cookie and ad aware will no longer pop it up as ad aware. (Though it will still show up in the summary.)
It's also good to know that Ad Aware executable filespec /full/auto can be entered into the run field to have ad-aware run a full automatic scan and delete of spyware. This is especially convenient if you're like me and don't use a mouse, since there is no tab stop for the Continue command button in Ad-Aware.
Be careful of Gozilla as well, because I'm pretty sure it also installs gator.
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I ate a hooker half a bottle of knife.